Prof. Dr. Torsten Tomczak is emeritus Professor of Marketing at the University of St. Gallen.Prof. Dr. Sven Reinecke is Director of the Institute for Marketing and Customer Insight (IMC-HSG) and Associate Professor of Marketing at the University of St. Gallen.Prof. Dr. Johanna Gollnhofer is Director of the Institute for Marketing and Customer Insight (IMC-HSG) and Associate Professor of Marketing at the University of St. Gallen.